<?php 
/*
* FCKeditor - The text editor for internet
* Copyright (C) 2003-2005 Frederico Caldeira Knabben
*
* Licensed under the terms of the GNU Lesser General Public License:
* 		http://www.opensource.org/licenses/lgpl-license.php
*
* For further information visit:
* 		http://www.fckeditor.net/
*
* File Name: fckeditor.php
* 	This is the integration file for PHP.
*
* 	It defines the FCKeditor class that can be used to create editor
* 	instances in PHP pages on server side.
*
* File Authors:
* 		Frederico Caldeira Knabben (fredck@fckeditor.net)
*		Elton Andrade dos Santos [LayerZeroCompliance] (freak@inf.ufsc.br)
*/
$pathToThis = pathinfo(__FILE__) ;
$ret = getcwd() ;
chdir($pathToThis['dirname']) ;

require_once "../base/Constantes.class.php" ;

chdir($ret) ;

class FCKeditor {
	public $InstanceName ;
	public $BasePath ;
	public $Width ;
	public $Height ;
	public $ToolbarSet ;
	public $Value ;
	public $Config ;

	// PHP 5 Constructor (by Marcus Bointon <coolbru@users.sourceforge.net>)	function __construct($instanceName) {
		$this->InstanceName = $instanceName ;
		$this->BasePath = Constantes::FCK_BASE_PATH ;
		$this->Width = '100%' ;
		$this->Height = '200' ;
		$this->ToolbarSet = 'Default' ;
		$this->Value = '' ;
		
		$this->Config = array(
			
		) ;
	}

	function Create() {
		echo $this->CreateHtml() ;
	}

	function CreateHtml() {
		$HtmlValue = htmlspecialchars($this->Value) ;
		
		$Html = '<div>' ;
		
		if ($this->IsCompatible()) {
			$Link = "{$this->BasePath}editor/fckeditor.html?InstanceName={$this->InstanceName}" ;
			
			if ($this->ToolbarSet != '')
				$Link .= "&amp;Toolbar={$this->ToolbarSet}" ;
				
			// Render the linked hidden field.			$Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}\" name=\"{$this->InstanceName}\" value=\"{$HtmlValue}\" />" ;
			
			// Render the configurations hidden field.			$Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}___Config\" value=\"" . $this->GetConfigFieldString() . "\" />" ;
			
			// Render the editor IFRAME.			$Html .= "<iframe id=\"{$this->InstanceName}___Frame\" src=\"{$Link}\" width=\"{$this->Width}\" height=\"{$this->Height}\" frameborder=\"no\" scrolling=\"no\"></iframe>" ;
		} else {
			if (strpos($this->Width, '%') === false)
				$WidthCSS = $this->Width . 'px' ; else
				$WidthCSS = $this->Width ;
			
			if (strpos($this->Height, '%') === false)
				$HeightCSS = $this->Height . 'px' ; else
				$HeightCSS = $this->Height ;
			
			$Html .= "<textarea name=\"{$this->InstanceName}\" rows=\"4\" cols=\"40\" style=\"width: {$WidthCSS}; height: {$HeightCSS}\" wrap=\"virtual\">{$HtmlValue}</textarea>" ;
		}
		
		$Html .= '</div>' ;
		
		return $Html ;
	}

	function IsCompatible() {
		global $HTTP_USER_AGENT ;
		
		if (isset($HTTP_USER_AGENT))
			$sAgent = $HTTP_USER_AGENT ; else
			$sAgent = $_SERVER['HTTP_USER_AGENT'] ;
		
		if (strpos($sAgent, 'MSIE') !== false && strpos($sAgent, 'mac') === false && strpos($sAgent, 'Opera') === false) {
			$iVersion = (float) substr($sAgent, strpos($sAgent, 'MSIE') + 5, 3) ;
			return ($iVersion >= 5.5) ;
		} else if (strpos($sAgent, 'Gecko/') !== false) {
			$iVersion = (int) substr($sAgent, strpos($sAgent, 'Gecko/') + 6, 8) ;
			return ($iVersion >= 20030210) ;
		} else
			return false ;
	}

	function GetConfigFieldString() {
		$sParams = '' ;
		$bFirst = true ;
		
		foreach($this->Config as $sKey => $sValue) {
			if ($bFirst == false)
				$sParams .= '&amp;' ; else
				$bFirst = false ;
			
			if ($sValue === true)
				$sParams .= $this->EncodeConfig($sKey) . '=true' ; else if ($sValue === false)
				$sParams .= $this->EncodeConfig($sKey) . '=false' ; else
				$sParams .= $this->EncodeConfig($sKey) . '=' . $this->EncodeConfig($sValue) ;
		}
		
		return $sParams ;
	}

	function EncodeConfig($valueToEncode) {
		$chars = array(
			'&' => '%26', '=' => '%3D', '"' => '%22'
		) ;
		
		return strtr($valueToEncode, $chars) ;
	}
}

?>